| /******************************************************************************* |
| * Copyright (c) 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.tests.commands; |
| |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.ui.actions.RetargetAction; |
| import org.eclipse.ui.commands.ActionHandler; |
| import org.eclipse.ui.tests.harness.util.UITestCase; |
| |
| /** |
| * This test whether an ActionHandler will update its internal cache of |
| * properties when a RetargetAction changes only its handler. |
| * |
| * @since 3.0.1 |
| */ |
| public class Bug70503Test extends UITestCase { |
| |
| private class PubliclyRetargettableAction extends RetargetAction { |
| /** |
| * Constructs a new instance of <code>PubliclyRetargettableAction</code>. |
| * |
| * @param actionID |
| * The action identifier to pass to the |
| * <code>RetargetAction</code>; should not be |
| * <code>null</code>. |
| * @param text |
| * The text to be displayed on the action; may be |
| * <code>null</code> if there should be no text. |
| */ |
| public PubliclyRetargettableAction(String actionID, String text) { |
| super(actionID, text); |
| } |
| |
| /** |
| * A public version of the <code>setActionHandler</code> method. |
| * |
| * @param handler |
| * The new action handler; may be <code>null</code> if |
| * there is no handler currently. |
| */ |
| private final void changeHandler(final IAction handler) { |
| super.setActionHandler(handler); |
| } |
| } |
| |
| /** |
| * Constructor for Bug70503Test. |
| * |
| * @param name |
| * The name of the test |
| */ |
| public Bug70503Test(String name) { |
| super(name); |
| } |
| |
| /** |
| * Tests whether changing only the handler will update an action handler. |
| * The set up is a <code>RetargetAction</code> wrapped in an |
| * <code>ActionHandler</code>. The test verifies a switch back and forth |
| * to make sure that the updates are happening. |
| * |
| */ |
| public final void testHandlerChangeCausesUpdate() { |
| final PubliclyRetargettableAction retargetAction = new PubliclyRetargettableAction( |
| "actionID", "text"); |
| final ActionHandler actionHandler = new ActionHandler(retargetAction); |
| assertFalse("The retarget action handler should start 'unhandled'", |
| ((Boolean) actionHandler.getAttributeValuesByName().get( |
| "handled")).booleanValue()); |
| retargetAction.changeHandler(new PubliclyRetargettableAction( |
| "actionID", "text")); |
| assertTrue( |
| "The retarget action handler should recognize the new handler.", |
| ((Boolean) actionHandler.getAttributeValuesByName().get( |
| "handled")).booleanValue()); |
| retargetAction.changeHandler(null); |
| assertFalse( |
| "The retarget action handler should recognize that the handler is now gone.", |
| ((Boolean) actionHandler.getAttributeValuesByName().get( |
| "handled")).booleanValue()); |
| } |
| } |